#region " LICENSE "
// DRILL - Dependency Resolution Interface Layer Library
// Copyright (c) 2008-2012 Wade A. Reynolds. All rights reserved.
// http://drill.codeplex.com/
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System.Collections.Generic;
using NUnit.Framework;

namespace Drill.Core.Utilities
{
    [TestFixture]
    public class StringToInt32ConverterTests
    {
        [Category("UnitTest")]
        [Test]
        [TestCaseSource("TestCasesForCanConvert")]
        public int CanConvert(string value, int defaultValue)
        {
            int result = StringToInt32Converter.Convert(value, defaultValue);
            return result;
        }

        public static IEnumerable<TestCaseData> TestCasesForCanConvert
        {
            get
            {
                yield return new TestCaseData(null, 0).Returns(0);
                yield return new TestCaseData(null, 1).Returns(1);
                yield return new TestCaseData("", 0).Returns(0);
                yield return new TestCaseData("", 1).Returns(1);
                yield return new TestCaseData(" ", 0).Returns(0);
                yield return new TestCaseData(" ", 1).Returns(1);
                yield return new TestCaseData("a", 1).Returns(1);
                yield return new TestCaseData("b", 1).Returns(1);
                yield return new TestCaseData("c", 1).Returns(1);
                yield return new TestCaseData("d", 1).Returns(1);
                yield return new TestCaseData(" a", 1).Returns(1);
                yield return new TestCaseData(" b", 1).Returns(1);
                yield return new TestCaseData(" c", 1).Returns(1);
                yield return new TestCaseData(" d", 1).Returns(1);
                yield return new TestCaseData("a ", 1).Returns(1);
                yield return new TestCaseData("b ", 1).Returns(1);
                yield return new TestCaseData("c ", 1).Returns(1);
                yield return new TestCaseData("d ", 1).Returns(1);
                yield return new TestCaseData(" a ", 1).Returns(1);
                yield return new TestCaseData(" b ", 1).Returns(1);
                yield return new TestCaseData(" c ", 1).Returns(1);
                yield return new TestCaseData(" d ", 1).Returns(1);

                yield return new TestCaseData("-1", 0).Returns(-1);
                yield return new TestCaseData("-2", 0).Returns(-2);
                yield return new TestCaseData("-3", 0).Returns(-3);
                yield return new TestCaseData("0", 1).Returns(0);
                yield return new TestCaseData("1", 0).Returns(1);
                yield return new TestCaseData("2", 0).Returns(2);
                yield return new TestCaseData("3", 0).Returns(3);
            }
        }
    }
}